Extremely Large Telescope (big if true)

The telescope passed the halfway point in its development and construction in July 2023, with the expected completion and first light set for March 2029

almost there!

Pshaw. Wake me up when we get to The Telescope of Devastation.

(big if true) => https://elt.eso.org/about/webcams/

Unless someone's fey-king them, looks like the skeleton of the dome is about finished. About 3-2/3 years to go.